Assisted reproductive technologies (ART) include the artificial or partially artificial methods to achieve pregnancy. These new technologies lead to substantial changes regarding of ethical and legal aspects in reproductive medicine. The book focuses on current hot topics about ethical dilemmas in ART, e.g. about the duties of ethical committees, guidelines regarding informed consent, ethical and legal aspects of sperm donation, embryo donation, ethics of embryonic stem cells, therapeutical cloning, patenting of human genes, commercialization.